def connectionMade(self):
self.transport.pauseProducing()
client = self.clientProtocolFactory()
client.setServer(self)
if self.factory.use_relay == True:
self.factory.reactor.connectTCP(self.factory.hop_host, self.factory.hop_port, client)
else:
self.factory.reactor.connectTCP(self.factory.final_host, self.factory.final_port, client)
def dataReceived(self, data):
if not self.connected_to_end:
# Counter
global relayed_queries
relayed_queries += 1
# print data
host = ""
if data[0:2] == "##":
host_start = 2
host_end = host_start + data[host_start:].find("##")
headers = data[host_start:host_end].split(",")
final_host = headers[0]
if self.check_autorized_host(final_host):
final_port = int(headers[1])
desired_hops = int(headers[2]) - 1
data = data[host_end + 2 :]
if desired_hops == 0:
host = final_host
port = final_port
else:
header = "##%s,%i,%i##" % (final_host, final_port, desired_hops)
data = header + data
host, port = get_relay_address()
else:
self.logger.error("%s is not an autorized host", final_host)
self.transport.loseConnection()
return
if host != "":
self.logger.info("Relay to destination %s:%i with %i hop remaining", host, port, desired_hops)
# Don't read anything from the connecting client until we have
# somewhere to send it to.
self.transport.pauseProducing()
client = self.clientProtocolFactory()
client.setServer(self)
if self.reactor is None:
from twisted.internet import reactor
self.reactor = reactor
self.reactor.connectTCP(host, port, client)
self.first_data += data
self.connected_to_end = True
else:
print "Error, invalid destination host defined"
self.transport.loseConnection()
data = ""
Proxy.dataReceived(self, data)
self.data_received_count += 1